Home / 3,913,762.86-5,871,550.68-1,217,945.16

Finding the Fourth Proportional to 3,913,762.86, 5,871,550.68 and 1,217,945.16

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Solution

The fourth proportional to 3,913,762.86, 5,871,550.68 and 1,217,945.16 is: 1,827,199.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913,762.86 : 5,871,550.68 = 1,217,945.16 : x
  2. Step 2: Convert to fraction form
    3,913,762.86/5,871,550.68 = 1,217,945.16/x
  3. Step 3: Cross multiply
    3,913,762.86x = 5,871,550.68 × 1,217,945.16
  4. Step 4: Simplify right side
    3,913,762.86x = 7,151,226,732,400.71
  5. Step 5: Solve for x
    x = 7,151,226,732,400.71/3,913,762.86
  6. Step 6: Final answer
    x = 1,827,199.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.